Blackfin: bct-brettl2: new board port

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

7 files changed, 430 insertions, 0 deletions

diff --git a/board/bct-brettl2/Makefile b/board/bct-brettl2/Makefile
new file mode 100644
index 0000000..cf99d29
--- /dev/null
+++ b/board/bct-brettl2/Makefile
@@ -0,0 +1,51 @@
+#
+# U-boot - Makefile
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS-y	:= $(BOARD).o gpio_cfi_flash.o cled.o
+COBJS-$(CONFIG_BFIN_MAC) += smsc9303.o
+
+SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS-y))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
diff --git a/board/bct-brettl2/bct-brettl2.c b/board/bct-brettl2/bct-brettl2.c
new file mode 100644
index 0000000..de5b9ff
--- /dev/null
+++ b/board/bct-brettl2/bct-brettl2.c
@@ -0,0 +1,123 @@
+/*
+ * U-boot - main board file for BCT brettl2
+ *
+ * Copyright (c) 2010 BCT Electronic GmbH
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <asm/blackfin.h>
+#include <asm/portmux.h>
+#include <asm/gpio.h>
+#include <asm/net.h>
+#include <net.h>
+#include <netdev.h>
+#include <miiphy.h>
+
+#include "../cm-bf537e/gpio_cfi_flash.h"
+#include "smsc9303.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	printf("Board: bct-brettl2 board\n");
+	printf("       Support: http://www.bct-electronic.com/\n");
+	return 0;
+}
+
+#ifdef CONFIG_BFIN_MAC
+static void board_init_enetaddr(uchar *mac_addr)
+{
+	puts("Warning: Generating 'random' MAC address\n");
+	bfin_gen_rand_mac(mac_addr);
+	eth_setenv_enetaddr("ethaddr", mac_addr);
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int retry = 3;
+	int ret;
+
+	ret = bfin_EMAC_initialize(bis);
+
+	uchar enetaddr[6];
+	if (eth_getenv_enetaddr("ethaddr", enetaddr)) {
+		printf("setting MAC %pM\n", enetaddr);
+	}
+	puts("       ");
+
+	puts("initialize SMSC LAN9303i ethernet switch\n");
+
+	while (retry-- > 0) {
+		if (init_smsc9303i_mii())
+			return ret;
+	}
+
+	return ret;
+}
+#endif
+
+static void init_tlv320aic31(void)
+{
+	puts("Audio: setup TIMER0 to enable 16.384 MHz clock for tlv320aic31\n");
+	peripheral_request(P_TMR0, "tlv320aic31 clock");
+	bfin_write_TIMER0_CONFIG(0x020d);
+	bfin_write_TIMER0_PERIOD(0x0008);
+	bfin_write_TIMER0_WIDTH(0x0008/2);
+	bfin_write_TIMER_ENABLE(bfin_read_TIMER_ENABLE() | 1);
+	SSYNC();
+	udelay(10000);
+
+	puts("       resetting tlv320aic31\n");
+
+	gpio_request(GPIO_PF2, "tlv320aic31");
+	gpio_direction_output(GPIO_PF2, 0);
+	udelay(10000);
+	gpio_direction_output(GPIO_PF2, 1);
+	udelay(10000);
+	gpio_free(GPIO_PF2);
+}
+
+static void init_mute_pin(void)
+{
+	printf("       unmute class D amplifier\n");
+
+	gpio_request(GPIO_PF5, "mute");
+	gpio_direction_output(GPIO_PF5, 1);
+	gpio_free(GPIO_PF5);
+}
+
+/* sometimes LEDs (speech, status) are still on after reboot, turn 'em off */
+static void turn_leds_off(void)
+{
+	printf("       turn LEDs off\n");
+
+	gpio_request(GPIO_PF6, "led");
+	gpio_direction_output(GPIO_PF6, 0);
+	gpio_free(GPIO_PF6);
+
+	gpio_request(GPIO_PF15, "led");
+	gpio_direction_output(GPIO_PF15, 0);
+	gpio_free(GPIO_PF15);
+}
+
+/* miscellaneous platform dependent initialisations */
+int misc_init_r(void)
+{
+#ifdef CONFIG_BFIN_MAC
+	uchar enetaddr[6];
+	if (!eth_getenv_enetaddr("ethaddr", enetaddr))
+		board_init_enetaddr(enetaddr);
+#endif
+
+	gpio_cfi_flash_init();
+	init_tlv320aic31();
+	init_mute_pin();
+	turn_leds_off();
+
+	return 0;
+}
diff --git a/board/bct-brettl2/cled.c b/board/bct-brettl2/cled.c
new file mode 100644
index 0000000..9e73c57
--- /dev/null
+++ b/board/bct-brettl2/cled.c
@@ -0,0 +1,32 @@
+/*
+ * cled.c - control color led
+ *
+ * Copyright (c) 2010 BCT Electronic GmbH
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/blackfin.h>
+#include <asm/io.h>
+
+int do_cled(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	ulong addr = 0x20000000 + 0x200000; // AMS2
+	uchar data;
+
+	if (argc < 2)
+		return cmd_usage(cmdtp);
+
+	data = simple_strtoul(argv[1], NULL, 10);
+	outb(data, addr);
+
+	printf("cled, write %02x\n", data);
+
+	return 0;
+}
+
+U_BOOT_CMD(cled, 2, 0, do_cled,
+	"set/clear color LED",
+	"");
diff --git a/board/bct-brettl2/config.mk b/board/bct-brettl2/config.mk
new file mode 100644
index 0000000..dfd9456
--- /dev/null
+++ b/board/bct-brettl2/config.mk
@@ -0,0 +1,35 @@
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+# This is not actually used for Blackfin boards so do not change it
+#TEXT_BASE = do-not-use-me
+
+CONFIG_BFIN_CPU = bf536-0.3
+
+CFLAGS_lib += -O2
+CFLAGS_lib/lzma += -O2
+
+# Set some default LDR flags based on boot mode.
+LDR_FLAGS += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE))
diff --git a/board/bct-brettl2/gpio_cfi_flash.c b/board/bct-brettl2/gpio_cfi_flash.c
new file mode 100644
index 0000000..b385c7f
--- /dev/null
+++ b/board/bct-brettl2/gpio_cfi_flash.c
@@ -0,0 +1,4 @@
+#define GPIO_PIN_1 GPIO_PG5
+#define GPIO_PIN_2 GPIO_PG6
+#define GPIO_PIN_3 GPIO_PG7
+#include "../cm-bf537e/gpio_cfi_flash.c"
diff --git a/board/bct-brettl2/smsc9303.c b/board/bct-brettl2/smsc9303.c
new file mode 100644
index 0000000..15eea7a
--- /dev/null
+++ b/board/bct-brettl2/smsc9303.c
@@ -0,0 +1,176 @@
+/*
+ * smsc9303.c - routines to initialize SMSC 9303 switch
+ *
+ * Copyright (c) 2010 BCT Electronic GmbH
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <miiphy.h>
+
+#include <asm/blackfin.h>
+#include <asm/gpio.h>
+
+static int smc9303i_write_mii(unsigned char addr, unsigned char reg, unsigned short data)
+{
+	const char *devname = miiphy_get_current_dev();
+
+	if (!devname)
+	    return 0;
+
+	if (miiphy_write(devname, addr, reg, data) != 0)
+	    return 0;
+
+	return 1;
+}
+
+static int smc9303i_write_reg(unsigned short reg, unsigned int data)
+{
+	const char *devname = miiphy_get_current_dev();
+	unsigned char mii_addr = 0x10 | (reg >> 6);
+	unsigned char mii_reg = (reg & 0x3c) >> 1;
+
+	if (!devname)
+	    return 0;
+
+	if (miiphy_write(devname, mii_addr, mii_reg|0, data & 0xffff) != 0)
+	    return 0;
+
+	if (miiphy_write(devname, mii_addr, mii_reg|1, data >> 16) != 0)
+	    return 0;
+
+	return 1;
+}
+
+static int smc9303i_read_reg(unsigned short reg, unsigned int *data)
+{
+	const char *devname = miiphy_get_current_dev();
+	unsigned char mii_addr = 0x10 | (reg >> 6);
+	unsigned char mii_reg = (reg & 0x3c) >> 1;
+	unsigned short tmp1, tmp2;
+
+	if (!devname)
+	    return 0;
+
+	if (miiphy_read(devname, mii_addr, mii_reg|0, &tmp1) != 0)
+	    return 0;
+
+	if (miiphy_read(devname, mii_addr, mii_reg|1, &tmp2) != 0)
+	    return 0;
+
+	*data = (tmp2 << 16) | tmp1;
+
+	return 1;
+}
+
+#if 0
+static int smc9303i_read_mii(unsigned char addr, unsigned char reg, unsigned short *data)
+{
+	const char *devname = miiphy_get_current_dev();
+
+	if (!devname)
+	    return 0;
+
+	if (miiphy_read(devname, addr, reg, data) != 0)
+	    return 0;
+
+	return 1;
+}
+#endif
+
+typedef struct {
+	unsigned short reg;
+	unsigned int value;
+} smsc9303i_config_entry1_t;
+
+static const smsc9303i_config_entry1_t smsc9303i_config_table1[] =
+{
+	{0x1a0, 0x00000006}, /* Port 1 Manual Flow Control Register */
+	{0x1a4, 0x00000006}, /* Port 2 Manual Flow Control Register */
+	{0x1a8, 0x00000006}, /* Port 0 Manual Flow Control Register */
+};
+
+typedef struct
+{
+	unsigned char addr;
+	unsigned char reg;
+	unsigned short value;
+} smsc9303i_config_entry2_t;
+
+static const smsc9303i_config_entry2_t smsc9303i_config_table2[] =
+{
+	{0x01, 0x00, 0x0100}, /* Port0 PHY Basic Control Register */
+	{0x02, 0x00, 0x1100}, /* Port1 PHY Basic Control Register */
+	{0x03, 0x00, 0x1100}, /* Port2 PHY Basic Control Register */
+
+	{0x01, 0x04, 0x0001}, /* Port0 PHY Auto-Negotiation Advertisement Register */
+	{0x02, 0x04, 0x2de1}, /* Port1 PHY Auto-Negotiation Advertisement Register */
+	{0x03, 0x04, 0x2de1}, /* Port2 PHY Auto-Negotiation Advertisement Register */
+
+	{0x01, 0x11, 0x0000}, /* Port0 PHY Mode Control/Status Register */
+	{0x02, 0x11, 0x0000}, /* Port1 PHY Mode Control/Status Register */
+	{0x03, 0x11, 0x0000}, /* Port2 PHY Mode Control/Status Register */
+
+	{0x01, 0x12, 0x0021}, /* Port0 PHY Special Modes Register */
+	{0x02, 0x12, 0x00e2}, /* Port1 PHY Special Modes Register */
+	{0x03, 0x12, 0x00e3}, /* Port2 PHY Special Modes Register */
+	{0x01, 0x1b, 0x0000}, /* Port0 PHY Special Control/Status Indication Register */
+	{0x02, 0x1b, 0x0000}, /* Port1 PHY Special Control/Status Indication Register */
+	{0x03, 0x1b, 0x0000}, /* Port2 PHY Special Control/Status Indication Register */
+	{0x01, 0x1e, 0x0000}, /* Port0 PHY Interrupt Source Flags Register */
+	{0x02, 0x1e, 0x0000}, /* Port1 PHY Interrupt Source Flags Register */
+	{0x03, 0x1e, 0x0000}, /* Port2 PHY Interrupt Source Flags Register */
+};
+
+int init_smsc9303i_mii(void)
+{
+	unsigned int data;
+	unsigned int i;
+
+	printf("       reset SMSC LAN9303i\n");
+
+	gpio_request(GPIO_PG10, "smsc9303");
+	gpio_direction_output(GPIO_PG10, 0);
+	udelay(10000);
+	gpio_direction_output(GPIO_PG10, 1);
+	udelay(10000);
+
+	gpio_free(GPIO_PG10);
+
+#if defined(CONFIG_MII_INIT)
+	mii_init();
+#endif
+
+	printf("       write SMSC LAN9303i configuration\n");
+
+	if (!smc9303i_read_reg(0x50, &data))
+		return 0;
+
+	if ((data >> 16) != 0x9303)	{
+		/* chip id not found */
+		printf("       error identifying SMSC LAN9303i\n");
+		return 0;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(smsc9303i_config_table1); i++) {
+		const smsc9303i_config_entry1_t *entry = &smsc9303i_config_table1[i];
+
+		if (!smc9303i_write_reg(entry->reg, entry->value)) {
+			printf("       error writing SMSC LAN9303i configuration\n");
+			return 0;
+		}
+	}
+
+	for (i = 0; i < ARRAY_SIZE(smsc9303i_config_table2); i++) {
+		const smsc9303i_config_entry2_t *entry = &smsc9303i_config_table2[i];
+
+		if (!smc9303i_write_mii(entry->addr, entry->reg, entry->value)) {
+			printf("       error writing SMSC LAN9303i configuration\n");
+			return 0;
+		}
+	}
+
+	return 1;
+}
diff --git a/board/bct-brettl2/smsc9303.h b/board/bct-brettl2/smsc9303.h
new file mode 100644
index 0000000..a4ba40e
--- /dev/null
+++ b/board/bct-brettl2/smsc9303.h
@@ -0,0 +1,9 @@
+/*
+ * smsc9303.h - routines to initialize SMSC 9303 switch
+ *
+ * Copyright (c) 2010 BCT Electronic GmbH
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+int init_smsc9303i_mii(void);